June in Hammerfest is the cloudiest month of the year. In June, the weather in Hammerfest is typically cold. Average daily high temperature in June is about 8 degrees above zero. On average, Hammerfest has 19 rainy, 8 cloudy, 2 sunny, and 1 partly cloudy day in June. The rains are usually moderate. June as well as April, May, July, and August is considered the most uncomfortable time to visit Hammerfest.